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Advanced Calling Features
When you make a TTY call, the call begins in the
TTY mode you last selected.
To change mode during a call using your handset:
1
Press
m
.
2
Select
In Call Setup > TTY > Type
.
3
Select the mode you want.
To change mode during a call using your TTY
device, issue one of the following commands:
•
“VCO please” — to select VCO mode
•
“HCO please” — to select HCO mode
•
“HCO off please” — to turn off HCO mode
Important: When you are using HCO, the sound
coming from your handset speaker may
be uncomfortably loud. Use caution
when putting the handset to your ear.
Changing the TTY Baud Rate
By default, your handset’s TTY baud rate is set to
45.45, the baud rate required for TTY calls within
the U.S. To make calls outside the U.S., set your
TTY baud rate to 50.00.
To change the TTY baud rate:
1
From the main menu, select
Settings > Phone
Calls > TTY > Baud
.
2
Select the baud rate for your location.
